General UNIX interview questions with answers



  • 15_What is the purpose of exec functions
  • 16_Define process group
  • 17_What difference between cmp and diff commands
  • 18_How many prompts are available in a UNIX system
  • 19_What are shell variables
  • 20_What is Block Started by Symbol
  • 21_What is the command to find out today’s date
  • 22_what are the different commands used to create files
  • 23_What is chmod chown and chgrp
  • 24_What are PIDs
  • 25_What does the top command display
  • 26_What is the command to send message to all users who are logged in
  • 27_What is Kernel